2024
Complete vs. Incomplete Consolidative Radiotherapy in Patients with Extensive-Stage Small Cell Lung Cancer
Ninia J, Verma N, Laird J, Hayman T, Knowlton C, Peters G, Campbell A, Housri N, Feghali K, de Jong D, Park H. Complete vs. Incomplete Consolidative Radiotherapy in Patients with Extensive-Stage Small Cell Lung Cancer. International Journal Of Radiation Oncology • Biology • Physics 2024, 120: e51. DOI: 10.1016/j.ijrobp.2024.07.1890.Peer-Reviewed Original ResearchExtensive-stage small cell lung cancerProgression-free survivalSmall cell lung cancerOverall survivalCell lung cancerOligometastatic diseaseChemo-immunotherapyLung cancerSuperior progression-free survivalMedian follow-up timePatients treated with CCSites of disease involvementConsolidative thoracic radiotherapyAssociated with improved outcomesChemotherapy-based treatmentStratified Cox proportional hazard regressionsLog-rank testCox proportional hazards regressionDisease burdenTime of diagnosisKaplan-Meier estimatesProportional hazards regressionConsolidation radiotherapyPolymetastatic diseaseOligometastatic patientsRadioresistant Pulmonary Oligometastatic and Oligoprogressive Lesions From Nonlung Primaries: Impact of Histology and Dose-Fractionation on Local Control After Radiation Therapy
Verma N, Laird J, Moore N, Hayman T, Housri N, Peters G, Knowlton C, Jairam V, Campbell A, Park H. Radioresistant Pulmonary Oligometastatic and Oligoprogressive Lesions From Nonlung Primaries: Impact of Histology and Dose-Fractionation on Local Control After Radiation Therapy. Advances In Radiation Oncology 2024, 9: 101500. PMID: 38699671, PMCID: PMC11063223, DOI: 10.1016/j.adro.2024.101500.Peer-Reviewed Original ResearchLocal recurrence-free survivalNon-lung primaryAssociated with higher local recurrence-free survivalProgression-free survivalBiologically effective doseLocal controlRadioresistant metastasesOverall survivalPulmonary metastasesPrimary cancerColorectal carcinomaAssociated with superior local controlMultivariate analysisPatients treated with radiotherapyRisk of local recurrenceMedian follow-up timeMultivariable Cox proportional hazards regressionInferior local controlMedian total doseSuperior local controlAssociated with decreased riskImpact of histologyMetastasis-free survivalRecurrence-free survivalLocal failureDose-volume Predictors of Radiation Pneumonitis Following Thoracic Hypofractionated Radiotherapy
Sasse A, Oh P, Saeed N, Yang D, Hayman T, Knowlton C, Peters G, Campbell A, Laird J, Housri N, Park H. Dose-volume Predictors of Radiation Pneumonitis Following Thoracic Hypofractionated Radiotherapy. International Journal Of Radiation Oncology • Biology • Physics 2024, 118: e5. DOI: 10.1016/j.ijrobp.2023.10.054.Peer-Reviewed Original ResearchHypofractionated radiation therapyRisk of gradeUltra-central tumoursRadiation pneumonitisLung V20Lung V5Central tumorsMultivariable logistic regression analysisSingle health care systemDose-volume predictorsDosimetric risk factorsGrade 5 toxicitySimilar local controlDose-fractionation regimensProbability of gradeProximal tracheobronchial treeLogistic regression analysisMATERIAL/METHODSHealth care systemPrimary endpointOverall survivalHypofractionated radiotherapyMultivariable analysisLung doseThoracic tumorsDosimetric Factors Associated with Esophagitis Following Hypofractionated Radiotherapy to the Thorax
Sasse, Oh P, Saeed N, Yang D, Peters G, Hayman T, Housri N, Laird J, Campbell A, Knowlton C, Park H. Dosimetric Factors Associated with Esophagitis Following Hypofractionated Radiotherapy to the Thorax. International Journal Of Radiation Oncology • Biology • Physics 2024, 118: e7-e8. DOI: 10.1016/j.ijrobp.2023.10.059.Peer-Reviewed Original ResearchHypofractionated radiation therapyTotal patientsOverall survivalLocal controlUltra-central lung tumorsMultivariable logistic regression analysisSignificant differencesComparable local controlGrade 3 esophagitisRisk of gradeCases of gradeProbability of gradeLogistic regression analysisMATERIAL/METHODSMean esophagus doseSingle healthcare systemEsophagus DmaxPrimary endpointHypofractionated radiotherapyDosimetric factorsMultivariable analysisEsophagus doseThoracic tumorsDosimetric variablesClinical trials
2023
Interim Analysis of DD3: A Phase IB/II Trial of Dose-Deescalated 3-Fraction SBRT for Centrally Located Lung Cancer
Peters G, Cheng W, Boateng K, Knowlton C, Campbell A, Hayman T, Park H. Interim Analysis of DD3: A Phase IB/II Trial of Dose-Deescalated 3-Fraction SBRT for Centrally Located Lung Cancer. International Journal Of Radiation Oncology • Biology • Physics 2023, 117: e46-e47. DOI: 10.1016/j.ijrobp.2023.06.750.Peer-Reviewed Original ResearchStereotactic body radiation therapyPhase Ib/II trialCentral lung tumorsCancer-specific survivalProgression-free survivalLocal recurrenceLung tumorsInterim analysisII trialAdverse eventsOverall survivalDistant controlLocal controlGrade 2 adverse eventsUltra-central lung tumorsRisk dose constraintsRate of gradeSecondary lung tumorsCo-primary endpointsHigh toxicity ratesBiologically equivalent doseBody radiation therapyMATERIAL/METHODSRTOG 0236RTOG 0813Dose-Escalated vs. Conventional Hypofractionated Radiotherapy for Lung Cancer Patients in Predominantly Central Locations
Sasse A, Saeed N, Oh P, Housri N, Knowlton C, Hayman T, Peters G, Campbell A, Yang D, Park H. Dose-Escalated vs. Conventional Hypofractionated Radiotherapy for Lung Cancer Patients in Predominantly Central Locations. International Journal Of Radiation Oncology • Biology • Physics 2023, 117: e55. DOI: 10.1016/j.ijrobp.2023.06.768.Peer-Reviewed Original ResearchStereotactic body radiotherapyUltra-central tumoursHypofractionated radiation therapyHigh local controlOverall survivalGrade 3Local controlLung cancerNon-small cell lung cancerPromising local controlOutcomes of patientsEffective treatment regimenCell lung cancerHigher overall survivalLung cancer patientsMATERIAL/METHODSMedian ageHypofractionated radiotherapyTreatment regimenBody radiotherapyBaseline variablesCancer patientsTreatment optionsTumor locationChi-square analysis
2019
Is Proton Therapy a “Pro” for Breast Cancer? A Comparison of Proton vs. Non-proton Radiotherapy Using the National Cancer Database
Chowdhary M, Lee A, Gao S, Wang D, Barry PN, Diaz R, Bagadiya NR, Park HS, Yu JB, Wilson LD, Moran MS, Higgins SA, Knowlton CA, Patel KR. Is Proton Therapy a “Pro” for Breast Cancer? A Comparison of Proton vs. Non-proton Radiotherapy Using the National Cancer Database. Frontiers In Oncology 2019, 8: 678. PMID: 30693271, PMCID: PMC6339938, DOI: 10.3389/fonc.2018.00678.Peer-Reviewed Original ResearchLymph node irradiationNational Cancer DatabaseOverall survivalMultivariable analysisBreast cancerCancer DatabaseProton radiotherapyNon-metastatic breast cancerCox proportional hazards modelHigher heart dosesN2-N3 diseaseMultivariate logistic analysisProportional hazards modelAcademic facilitiesLogistic regression modelsHeart dosesAdjuvant radiotherapyNode irradiationHazard ratioNode positivityClinical benefitClinical trialsPRT patientsStage 0Hazards model